Page({
  data: {
    date:"1月/2018"
  },
  bindDateChange: function (e) {
    var num = e.detail.value
    var str = String(num)
    var arr = str.split("-")
    console.log(str.split("-"))
    this.setData({
      date: arr[1]+"月/"+arr[0]
    })
  },
})

